Jim Meyering <jim@xxxxxxxxxxxx> writes:
> I noticed that automake's contribution guidelines suggest using
> "git describe" output in commit logs to reference previous commits.
> By contrast, in coreutils, I had acquired the habit of using a bare SHA1
> prefix (8 hex digits), since gitk creates clickable links for that, and
> not for "git describe" output.
>
> I prefer the readability of the full "git describe" output, yet want to
> retain the gitk links, so wrote the following that renders as clickable
> not just SHA1-like strings, but also an SHA1-like string that is
> prefixed by "-g".
>
> Signed-off-by: Jim Meyering <meyering@xxxxxxxxxx>
> ---
> This is relative to master.
> Think of this as mere proof-of-concept:
Paul, I think this makes tons of sense. Comments?
> Ideally, the string preceding the -g would be used to disambiguate
> the SHA1 prefix, but that would require more code.
>
> I confess that I haven't looked to see if documentation needs
> to be updated or if this would merit test suite additions.
>
> gitk-git/gitk | 6 +++++-
> 1 files changed, 5 insertions(+), 1 deletions(-)
>
> diff --git a/gitk-git/gitk b/gitk-git/gitk
> index 4cde0c4..f8eb613 100755
> --- a/gitk-git/gitk
> +++ b/gitk-git/gitk
> @@ -6688,7 +6688,7 @@ proc appendwithlinks {text tags} {
>
> set start [$ctext index "end - 1c"]
> $ctext insert end $text $tags
> - set links [regexp -indices -all -inline {\m[0-9a-f]{6,40}\M} $text]
> + set links [regexp -indices -all -inline {(?:\m|-g)[0-9a-f]{6,40}\M} $text]
> foreach l $links {
> set s [lindex $l 0]
> set e [lindex $l 1]
> @@ -6704,6 +6704,10 @@ proc appendwithlinks {text tags} {
> proc setlink {id lk} {
> global curview ctext pendinglinks
>
> + if {[string range $id 0 1] eq "-g"} {
> + set id [string range $id 2 end]
> + }
> +
> set known 0
> if {[string length $id] < 40} {
> set matches [longid $id]
> --
> 1.7.8.163.g9859a
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